Batman: Arkham City GOTY

36 of 64 achievements (56%)

Batman: Arkham Origins

25 of 60 achievements (42%)

Braid

7 of 12 achievements (58%)

LIMBO

8 of 13 achievements (61%)

Portal 2

23 of 51 achievements (46%)

The Stanley Parable

4 of 10 achievements (40%)